Patents by Inventor Mihail Vladilenovich Gotlib

Mihail Vladilenovich Gotlib has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electrical submersible pump
    Patent number: 8678758
    Abstract: An electrical submersible pump can include a housing with a head and a base; a shaft arranged for rotation within the housing; an impeller stack that includes ceramic impellers mounted along the shaft; a diffuser stack that includes diffusers disposed within the housing; and a spring sleeve that includes axially spaced and overlapping tangential slots, the spring sleeve mounted along the shaft to apply a compressive force between the shaft and the impeller stack. Various other devices, systems, methods, etc., are also disclosed.
    Type: Grant
    Filed: September 20, 2012
    Date of Patent: March 25, 2014
    Assignee: Schlumberger Technology Corporation
    Inventors: Jacques Orban, Mihail Vladilenovich Gotlib
  • Electrical Submersible Pump
    Publication number: 20130017075
    Abstract: An electrical submersible pump can include a housing with a head and a base; a shaft arranged for rotation within the housing; an impeller stack that includes ceramic impellers mounted along the shaft; a diffuser stack that includes diffusers disposed within the housing; and a spring sleeve that includes axially spaced and overlapping tangential slots, the spring sleeve mounted along the shaft to apply a compressive force between the shaft and the impeller stack. Various other devices, systems, methods, etc., are also disclosed.
    Type: Application
    Filed: September 20, 2012
    Publication date: January 17, 2013
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Jacques Orban, Mihail Vladilenovich Gotlib